public static RandomVariateGenerator CreateNewPrng(GeneratorType generatorType, uint generatorSeed, uint seedIndex)
{
RandomVariateGenerator prng;
switch (generatorType)
{
case GeneratorType.VANILLA:
prng = DotNetVariateGenerator.CreateDotNetVariateGenerator(new[] { generatorSeed });
break;
case GeneratorType.RANDLIB:
prng = RandLibVariateGenerator.CreateRandLibVariateGenerator(new [] { generatorSeed });
break;
case GeneratorType.PSEUDODES:
prng = PseudoDesVariateGenerator.CreatePseudoDesVariateGenerator(new[] { generatorSeed, seedIndex });
break;
case GeneratorType.AESCOUNTER:
prng = AesCounterVariateGenerator.CreateAesCounterVariateGenerator(new [] { generatorSeed, seedIndex });
break;
default:
throw new ArgumentException($"Unknown/unsupported RNG type: {generatorType}");
}
return(prng);
}
private const int SampleCount = 128 * 1048576; // 128 * 2^20
private DistributionSampler GetRandLibSampler()
{
DistributionSampler sampler = RandLibSampler.CreateRandLibSampler(RandLibVariateGenerator.CreateRandLibVariateGenerator(new uint[] { 20130110, 19680201 }));
return(sampler);
}